Add back standardize_track_dataset

[freemansw1]

We inadvertently removed standardize_track_dataset when we reworked the utils functions in #191. I've added it back here to utils/general.py.

I've marked this to merge with the hotfix branch, as I think it would be ideal to get this into v1.5.1.

This resolves #329.

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[codecov]

Codecov Report

Patch coverage: 12.50% and project coverage change: -0.31% ⚠️

Comparison is base (d819159) 56.04% compared to head (c7b0401) 55.74%.
Report is 8 commits behind head on RC_v1.5_hotfix.

Additional details and impacted files

@@                Coverage Diff                 @@
##           RC_v1.5_hotfix     #330      +/-   ##
==================================================
- Coverage           56.04%   55.74%   -0.31%     
==================================================
  Files                  15       15              
  Lines                3290     3310      +20     
==================================================
+ Hits                 1844     1845       +1     
- Misses               1446     1465      +19     

Flag	Coverage Δ
unittests	55.74% <12.50%> (-0.31%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
tobac/utils/__init__.py	100.00% <ø> (ø)
tobac/utils/general.py	70.84% <12.50%> (-1.63%)	⬇️

... and 1 file with indirect coverage changes

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[w-k-jones]

Happy for this to be merged without passing the test coverage requirement

[JuliaKukulies]

I am also happy to merge and get this out together with the hotfix.